I ought to detect you ought to detect he ought to detect we ought to detect you ought to detect they ought to detect
V-ing form
I ought to be detecting you ought to be detecting he ought to be detecting we ought to be detecting you ought to be detecting they ought to be detecting
Perfect
I ought to have detected you ought to have detected he ought to have detected we ought to have detected you ought to have detected they ought to have detected
V-ing perfect
I ought to have been detecting you ought to have been detecting he ought to have been detecting we ought to have been detecting you ought to have been detecting they ought to have been detecting
Negation
Simple form
I oughtn't to detect you oughtn't to detect he oughtn't to detect we oughtn't to detect you oughtn't to detect they oughtn't to detect
V-ing form
I oughtn't to be detecting you oughtn't to be detecting he oughtn't to be detecting we oughtn't to be detecting you oughtn't to be detecting they oughtn't to be detecting
Perfect
I oughtn't to have detected you oughtn't to have detected he oughtn't to have detected we oughtn't to have detected you oughtn't to have detected they oughtn't to have detected
V-ing perfect
I oughtn't to have been detecting you oughtn't to have been detecting he oughtn't to have been detecting we oughtn't to have been detecting you oughtn't to have been detecting they oughtn't to have been detecting
Interrogative form
Simple form
ought to I detect? ought to you detect? ought to he detect? ought to we detect? ought to you detect? ought to they detect?
V-ing form
ought to I be detecting? ought to you be detecting? ought to he be detecting? ought to we be detecting? ought to you be detecting? ought to they be detecting?
Perfect
ought to I have detected? ought to you have detected? ought to he have detected? ought to we have detected? ought to you have detected? ought to they have detected?
V-ing perfect
ought to I have been detecting? ought to you have been detecting? ought to he have been detecting? ought to we have been detecting? ought to you have been detecting? ought to they have been detecting?
Interro-negative form
Simple form
oughtn't I to detect? oughtn't you to detect? oughtn't he to detect? oughtn't we to detect? oughtn't you to detect? oughtn't they to detect?
V-ing form
oughtn't I to be detecting? oughtn't you to be detecting? oughtn't he to be detecting? oughtn't we to be detecting? oughtn't you to be detecting? oughtn't they to be detecting?
Perfect
oughtn't I to have detected? oughtn't you to have detected? oughtn't he to have detected? oughtn't we to have detected? oughtn't you to have detected? oughtn't they to have detected?
V-ing perfect
oughtn't I to have been detecting? oughtn't you to have been detecting? oughtn't he to have been detecting? oughtn't we to have been detecting? oughtn't you to have been detecting? oughtn't they to have been detecting?